Package: clang-4.0 Version: 1:4.0~+rc1-1 The shipped file /usr/bin/scan-build-4.0-py is a dead link to a non existent target ../share/clang/scan-build-4.0/bin/scan-build-py. Maybe the target should be ./share/clang/scan-build-py-4.0/bin/scan-build?